Wrapping machine



5 Sheets-Sheet 1 .DAR

F. MARASSO WRAPPING MACHINE Filed March -..who

Aug. so, 192%.

IN. .m N

wk .NN

a l Y 1,641,042 llg- 30 1927-' v F, MARASSO v WRAPPING MACHINE Filed MaIOh ll. 1926 5 Sheets-Sheet 2 Aug.A 30,1927.

F. MARASSO WRAPPING'MACHINE Filed March ll. 1926 5 Sheets-Sheet 3 Aug# 30 119.275' F. MARAsso WRAPPI NG MACHINE Fliled March ll, 1926 5 Sheets-Sheet 4 1,641,042 Allg- 3011927' F. MARAsso WRAPPING MACHINE Filed March 11. 1925 5 sheets-sheet 5 gnointoz Patented Aug. 3o, 1927.

UNITED STATES PATENT OFFICE. A

FRED MARASSO, 0F JULIET, ILLINOIS.

WRAPPING MACHINE.

Application mea March 11, 192e. sei-iai No. 93,945.

My invention relatesto a machine primarily adapted to wrap and seal bread or other articles in waXed paper.

It is aimed to provide a novel machine which is semi-automatic in character and which particularly overcomes the necessity of operating levers or the like in the making of the folds of the paper.y

Another object is to provide a construction. adapted yto receive bread or other articles around which the paper is initially rolled, and to accomplish the initial folding incidental to the placing of such loaf or article intothe machine.

A further object is to provide novel means whereby the folded article may be subjected to heat in order to melt the wax on the paper, and in which the article is then permitted to cool while the folds are engaged to insure solidification of the sealing wax. A furtherobjectis to provide a novel construction wherein the operation of the machine is controlled bythe presence of an articley to be wrapped, in place in the machine.

Still another object is to provide a novel construction wherein the articles are advanced by a conveyor, which conveyor carries certain folding elements, and means to advance the articles. Y

Still another object is to providea con struction wherein the means receiving the bread or articles to be wrapped is novel in. character and adapted for adjustment.

Still another object is to provide a novel means whereby the various parts which accomplish the wrapping Vmay be operated in proper sequence. Y

Various additional objects and advantages will be pointed out or become apparent from a consideration of the following description taken in connection with accompanying drawings illustrating an operative embodiment. Y y

In said drawings Figure 1 is a view of theimproved chine in side elevation;

Figure 2 is a plan view'of the machine 0n a larger scale than Figure 1 and partly broken away; l

lFigurel 3 isa view somewhat similar to Figure 2 with the loaf-supporting adjacentY parts removed to disclose the gearing;

Figure 4 1s a transverse sectionalview' taken on the hne 4 4 of Figure 1;

Figure 5 is a sectional view taken on the line 5'-5 of Figure 1; i v

Figure 6 is a detail side elevation illustrating the driving cams for the top and one of the side folders:

Figure 7 is a detail sectionalview taken on the line 7-7 of Figure 4, andf Figure 8 is an end elevation of a wrapped loaf of bread or other article.

In carrying out the invention, a suitable framework is provided as generally designated 10, consisting kfor instance of a rec-l tangular frame composed of side members 11, end members 12, and supporting legs 13.

Rigid with the frame 10 and disposed over one of the side members 11l is a table section said table section 14 is a similar table section A15.y which however is slidably disposed on the frame 10 toward Vand away from'the section 14 according` to the size of the loaf or. article to be wrapped. In order to move the section 15, it is provided withI a depending follower plate 16 having nuts 17 rigid thereon and threaded on screw threaded portions 18 of rods 19. Said rods 19 are journaled in bearings 20 provided on the side members 11 and one of the said rods 19 eXteriorly of the frame 1() is provided with an operating crank or hand wheel 21. A sprocket wheel' 22 -is keyed to each rod 19 and asprocket chain 23 is trained thereover. Accordinglywhen the crank 21l is operated, one of the shafts or rods 19 is turned thereby and the other rod 19 is simultaneously turned in view of the provision of sprocketewheel 22 and chain V23. At the same time, the screw threads 18 by their engagement with nuts 17 slide the follower 16 laterally of the frame 10 and accordingly vary'the position of the table section or support'l.

Conveniently mounted on the frame 10 is an electric motor or other prime mover 24 whose main shaft has a pulley 25 thereon in driving relation to a belt 26 trained over a pulley 27 which is journaled on a power shaft 28. Shaft 28 is journaled in bearings 29 on the side members 11. Parallel to the shaft 28is a series of shafts 30. 31, 32.y 33, 34, and 35all of which are iournaled in suitabley bearings 36 carried by the side members 11. The said shaft-s 28 and 30 to 35 inclusive, extend loosely through a follower 16 so as not to interfere with vthe movement thereof. Keyed to the shaft 28 is a gear wheel 37 esk in ineah with a gear wheel 38 heycd to eha'lt 30. The latter ehajlt 11h10 haal a` `rear wheel 39 keyed thereto in inesh with a gear wheel all) idle 011 tht1 shalt ll. tlear wheel el() has a` clutch section Al-i rie'iil therewith.

Keyed to the ehaflft 31 fl'or sliding 1110\11,- ment longitudinally thereof to cir and discne'ae'e clutch .acction Ll-l ia a clutch eeetion ft2. @laid section# ll and lil comprise the nlain clutch olf the niachinc. tlnteh Section l2 hae` an annular `r1-11111111 lll chit-.leed bythe iloi'h 01' hilfnrcation -l-l 111 a hell cranl: shitting' lever 451 pivoted :1t A'lli t0 11 suitable part of the lranie l0. lilxlcndine' t'r0111 thc horizontal 1111111 ol lever -lil ia 11 pin -l-'i' which extends looaely thioiie'h an opening 111'*t a trip o1' main-clutch control lever le pivoted at 9 t0 a hracl/:et 5111 .suitably fastened t0 the traine l0. The tree 11nd portion ot the lever L lli 111:1 \v be llatlencd 11.11 at :1l and saith portion is diepoeed between thc table Fectioiis l l :1111i l5 and normally eltcncls` slightly above the .1741111111 110 that an articlel` auch :1S a partially wrapped loa l 0l hread aa 111111'n greeted in Figure 1 and designated All, placed in the machine and resting' 1111 the section il-l and l5 may dcprces auch rec end ol the lever and acc11r1'lin1rly throne'h the 1111di11111 of lever Slide the ellitch ft2 into 111112111111- nient with Clutch 'All in order to operate the machine. The 'tree 0r widened end .'11A 0't` the lever -lS normallyY iirgijcd nl ni'ardly ahora the plane otI the topa oli aaid sectione Il and l5 by a contractile spring; 52 'fastened to the vcrtical 1111111 l. lever l5 and to a stad 535 rigid on the 'lran'ie l0. as beet Shown in Figure 5.

O11 the Shall' :il arc 111111111 51 :111i 5U. lilounted t0 rock on the shaft 32 are levers 57 which have pins 5S extending' laterally therelroni and engaged with the came 55 110 as t0 follow the latter and canae the levers i' to 11101'11, in accordance with the 111111 path. Pivoted to the 111111111' end1 ot the lever@ 5T a5 at 59 are iipstain'line arni Gf) which carry vertically movable plates Gl or folders, which are designed to cllcct the 1011 'folds 11 ot' a waxed 111111111' wrapper ll ol" the loaf A.. liars are vertically slidahlc in licaringls1 G2 olE ,e'nide hraclccte (13 rigidly liaatened to the table sectiony lfland 15.

The 111111111 5G are in engijflgl'enient with pine` Gl Carried by bell crank levers G5 ioiirnaled on the shalt 2li. tiaid hell era11l leverr f3.1 have linka GG pivotally conneeted thcreto hy horizontal plus GT. ln t111'11. linka` GG are pivoted by i'ertical pine (35% to cranks ('19` horizontally diepoaed, and connected to and rotatable in sftandarile TO which risc above and are jonrnaled in the tahle eiectioniii l--l and l5. Folder members Tl. tor the rigi'ht hand lside told l ot' the loail wrapper ll are rigidly carried by the standards T0 and through the inediiini ol the mechanism described in the proper sequence of operation swine' inwardly and engage the wrapper B lo el'leet auch ilolds. lt will he understood that the harta 51" 5U. ii?, (35, (lli. (59, 70, 7l and as'a11eiat11d parte4 are adjustable with the table :section 115 when the latter moves laterally with rcapcct t0 table section let.

.lhdicadiiai' iirii'ardly Alroni a plate 72 keyed on fha'lt ill ia an cccenti'itA pin 723 which 1:0- act1 wil l1 a (tenera wheel Tft rigid with shaitt l. lie a rcaiilt 0l this construction, the .Milialt :1.12, iii driven by a (-11111111'11 1110ti1111 een- '1'111 ine' around 1`l1c1111rl1-1izm T3 and 7l. (lenei'a wheel T-lmay he rie'id with a gear `Wheel 'Tf1 alan rigid with the shalt 132. Said gear wheel i5 drii'ea a 11111111 wheel 01' pinion 7G keyed 1111 thc shalt :391. it .sprocket wheel i711 ia looacly nioiinlcd 1111 :shalt 33, and .wifi'ochcl Ti is keyed theret1'1. Over the 1r0clet wheels 'TT and 78, sprocket chains Til 1511111--1tit11ti111 conveyors, arc trained and a'hieh :1h11 are trained 011er leprocket WheelS 11111 hcycil to 1h11 ahalt 35. Sprocket wheel 78 1a 1 a clliteh Section lll rigid therewith and 1= 11cl1 sprocket wheel and clutch section 7S and 1121 are loof-e on thi1 ahajt't 33. However, clutch section lll, has ratchet tooth engageniint 'with a clutch seetimi 82 keyed to .shaft 23?.. rl`hc acetions Fil and SQ are normally maintainc:vl in contact s0 that both chains 7S) will 1'101'111all-1' hc driven, through the agency 111" an expansive 1 1 111i11g "1'3 surrounding' shaft Il?, and ahattinil the sprocket wheel 78 and an adjacent part fixed 011 said Shaft. Can ried hy the chains 79 are any desired 11111nbei' 0i article engaging! 111.' pushing lingers S-l.

tilprocliel iiheela ti and the shafts 9123 and let and a chain 8i' trained tl1c1'111'111111'. t'lha'l't ill has sprocket wheels 88 keyed thereon over which sprocket chains 8O arc trained which in t11r11 11111151 over sprocket ii'heela il() 1111 the .ahalt T15. `Said chains Si) carry a suitable 1111111l1e1- ot lolder plates 91 adapted to ellect the bottoni told c of the eover lh and as partienlarly shown in Fig- 111e l.

'ilht1 linal told or le'lt hand side 'told (l, is c'll'ectcd hy folder platea4 91a particularly See Figure 21 and normally diiii'ioaed transversely 11i the table sections Irl; and l5. The fold- 111-14 are pivotally mounted 011 Standards or hraelaia Sil-l rigidly supported on the tahle sections il and l5 and are aasoeiated with coil soi-intra 9G which normally maintain the 'lfoldcr plates: in the transveree position of Figure 2 and orge thcln to that position after dieengaircnicnt with a folded article.

8G are keyed to lt i1: to he noted that the ends olf the arti! cle 01' loal" ol bread are Supported 011 the innei' edile portiona 0i the table Sec-tiene 1l and 'l5 ihro11,[ ho11t the hength ot the machine and that the folders 0l 111111111 in elongated slots 9T in h@aid table Sectionl and that the nashers FL!- 11101'e through Slots 9S in said table seetions.

The article or loaf of bread after passing the folders 92 is guided by plates 99 betweenv side heaters 100 and a bottom heater 101, arranged in transverse alinement in the ma'- chine. Said heaters are designed to melt the wax of the paper wrapper B and the heaters may be of any desired type, for instance being electric as shown and adapted tov receive their current from any suitable source,v From the zone of the heaters 100 and 101, the loaf passes between cooling plates 102 fastened on the table sections 14 and 15, the object being to maintain the Wrapper tight around the loaf until the molten wax solidifies, before removing the product from the machine.

kIt will be noted that the shaft 35 'has a knob 103 exteriorly of the frame and adjacent the crank 21. The knob 103 enables the shaft 35 to be turned independently of operation of the machine to thereby adjust the chain 79, the clutch 81 vslipping past the clutch 82, so that the chain 79 may be properly positioned for initial operation, specifically with respect to varying or. adjust-ing the position ofthe fingers 84 with respect to the folders 91. v

In operation, the loaves of bread or other articles have the waxed paper wrapper B rolled around the same so that the Wrapper projects in unfolded condition beyond each end of the loaf. This is done-manually and with the loaf thus partially wrapped,lit is manually placed onto the table sections 14 and 15, with that portion of the wrapper having the overlapping longitudinal edge portions facing downwardly, and Vmoved downwardly between the adjacent bottom folders 91 which causes the fold c to be initially made incidental to the placing of the article into the machine. The article thus being in the machine, rests onl the fiattened portion 87 of the lever 48, depressing` that lever at its freey end and causing operation of the lever 45 which throws the clutch 42 into engagement with the clutch 41 whereupon power is applied tothe machine fromlthe source 24, through the medium of -the belt 26, pulley 25, shaft 28, gears 37, 3S, 39 and 40 and the shaft 31. Motion from the shaft 31 is transmitted to the shaft 32 through the Geneva motion comprising` parts 72 to 74, and gear wheels 75 and 76, driving shaft 33 and causing the chains 79 to operate the pushers 84 which move the package or loaf A forwardly. At the same time, the shaft 34 through the sprocket wheels and associated parts moves the chains 90 and the folders 91 gradually disengage the loaf as it advances. When the folders 91 disengage the loaf, the top folders 61 are moved downwardly through the engagement of the cams withthe levers 57, thus effecting the folds a. When the wrapper or article is disengaged by the top folders 61, the right hand side folders 71 are in proper position to engage the wrapper to effect the. folds b, due to the coaction of cams 56 with the the article through the movement of fingers 84, after folding of the folds Z), brings the article into engagement with the left hand ond folds 92, such folds serving to complete the end wrapping and provide the folds d, the folders 92 becoming displaced and permitting the loaf or article to move past the same, -after which the springs 93 restore the folders 92 to original position. The loaf is then disposed between the plates 99 with their folded ends in intimate contact with such plates and further movement of the loaf through the medium of fingers 34 disposes it in line *with the heaters 100 and 101,

- at which state the loaf is disengaged by the 'fingers 84 and the weight ofthe loaf is accordingly off of the lever 48, so that that lever through thev medium of spring 52 moves to disengage the clutches 41 and 42, which clutches remain disengaged and operation of the machine does not ensue until another loaf inthe manner previously deposedin the zone of the heaters 100 and 101,v

will have the wax of the papers melted so that the wax of the different folds may run and on cooling effectively seal the package. To insure against opening or separation of the folds until the vwax has thoroughly f cooled or solidified, such flaps or folds after passing from the heating Zone are caused to remain in engagement with the plate 102. After the wax has cooled or solidified, the complete article may be removed manually from the machine.

Various changes may be resorted to prf vided they fall within the spirit and scope of the invention.

I claim as my invention 1. A machine of the class described having wrapping means, means to advance an article through the machine relatively to the wrapping means and including a clutch, and means to operate said clutch under control of the weight of the article.

2, A machine of the class described having wrapping means, meansto advance an arti cle through the machine relatively to the wrapping means'and including a clutch, and meansY to operate said clutch under control of the weight of the article, comprising a lever held depressed by the weight of the article, and means to normally urge said lever to operative position.

Ii. A machine ol' the eines described having irri pping menne, m `:ins lo operado the sume comprieing n ehnlfl, :i gear wheel looee on seid ehzilfi und Vprovided vvil'h u elnreh, :i elnlieh splineifl to mid :shell :ind engaigezihle with (he iirsl menlioned rlnlch. n ever enhjeei lo lhe iveigh; olA lhe :irricle lo he wrappedA` :i elnlcl Shilling ineinher opernhle h v the leve :ind menne nesocialed with lhe lever lo nornmilv nrge lhe mime lo inopern live poeilion.

l. fr wrapping nmehine oil ihe eines de eerihed hziving :i driven shell', n driving .member lherelor looee l'hereon. seid memher provided ivii'h :i clnlch, .seid ehn'll' having n elni'eh eplined iherenn menni: rnhieei' lo he weight o'lt :in nri'iele o eonlrol sind elnlch, [hip folding menne operzihle hv lnid simili, und ziddilionad folding menne driven 'from sind welmlii.

5. fr iv'zipping innchine olf the einen de Srrihed hnving :i driven fihzilll, :i driving niemher therefor loose rhereon` mid niemher provided vvilh :i chili-h. mid shirlfi lniving :i elni'eh rplined l'herelo, menne i-:nhiecii io izhe weighlV o'i in :irl'iiele io conirol r-:zxid clnl'eh, liep `Folding ineens` opernhie hv wid ehn'lh :md additional lohling mums; driven from :mid shall: by :i Geneve motion.

G. A wrapping ninehine ol" the einen le- Serihed having n driven simil, :i driviin member lhere'lor loose ihereoln sind memher provided iviih n cildeh. smid shell hziving ai elni'eh nplined lherelo, menne; enhjecl lo lhe weighl o'lt :in :iri'icie vo Qontrol Seid. olnleh, lhip 'folding meines opernhle hy Aziid shaft ndiiiilioinil liolding' ineens driven from said shaft, :ind n1 aml operaihle iii-om seid Shaft lo 'feed :in nrliele ihrongh the inziehine.

T. Jv vvrnpping nnichine of lhe einen deeerihed hziving n shaftH i driving member therefore loose lhereon and provided vvil'h :L elnlch` n clnl'ch sllined to seid elmfi und mo 'nhle lo engage :ind diaengnge The lirsl mentioned clnieh lo eonirol operation oi' the machine, n plnrnlil)7 oilA 'folding members operaihle Vfrom seid eh-[rift :ind including levers, zi seeond Simili. seid lever heilig pivoi'ed on l'he Aeeeond elmil. menne to drive (he seeond ehul'l 'from ihe iirsi Shelli, 'folding menne driven 'from lhe Second shzilfi. n nd :irliele advancing ineens driven from lhe second simili.

A. Wrapping machine ol the einen de eerihed having :a shnilfln :L driving meniher there'lfor loose ihereon :ind provided with neinlch, :1 elnleh eplined lo amid shell; :ind movnhle lo engage :1nd dinengzige the liret mentioned clnich lo eontrol operzdion of the machine, :i pluralityT of Folding nleinhelnsl opernhle Al'rom nid shalt :nid including levers, :i sei-ond ehzrll, :seid levereI heing pi voledon he second shzll', menne lo drive the Seeond shnl'i: l'rom the lirsllehnll' folding menne driven 'from lhe second ehzilil; :ii-(ziele z1dvnvneing menne' driven l'rom he eeeond shzilii', 'folder menne` engzigenhle with the article subsequent i'o lie AFolding meen` mentioned, :ind healing m uns engngenhie wilh l'he nrliclc ailier opernlion ol? l'he hiet mentioned 'folding' menne.

il. i folding ninehine olf l'he clues deeerihed having n shziilfl'i, :i driving niemher iherelfor loose thereon :ind provided with :i elnich` :i elnich keyed lo mid shell; und eng1g/dile willi ihe iirei mentioned elnteh to control operzdion olE (he machine.y `folding menne` opernhle in padhsi nl, im :ingle to eiioh other, n1 nos lo drive :inid liliiling means from mid ehzll'l including ievers, :i Second :ehziflg #nid levers being pivoled on `the fseeond shzili. :i (iene ai inolion between Suid Shzvlts lo drive (the seeond Shall', :1nd iolding .menne driven 'lrom ihe Second shell, :md menne lo eon\'e \y the nrl'iele lhrongh i'he machine driven 'from the .eeeond ehnlilz.

lll. A. nmehine ol` iihe elaine` deserihed halving n, schaft', ineens lo drive the shell: eomprising n gear Wheel loosely sin'ronnding the .sinne :1nd provided with n elnleh, :i ehrlich. slidiihle on sziid shaft and engzlgezihle with the lirel mentioned clni'eh lo eonl'rol opere tion of the machine,v canne on Suid shnilfls, ievers enacting ivil'h eiiid enms Afor opernlion, 'folding means operzhle by :seid levers, :i shnil on which sind levers :1re pivoled.` n plaire on the lirsli nnnliioned simili provided vvilh :i pin` f1 Geneve .meinher on the other .@hnil eomzting will :mid pin` ilfolding means driven by the eeeond mentioned Simili :ind mennek to advance idie :niiiele Through the miiehine driven hy ihe :second menlioneijl Shaft- In testimony whereof l' :diix my siigfnnignre.

li" i lill) MAR A SSO. 

